The Supreme Court will hear the case on President Trump’s tariffs tomorrow, and leading into the court session the White House is exuding confidence that the Court will uphold the President’s tariff powers under the 1977 International Economic Emergency Powers Act (IEEPA). However, Trump aides have a Plan B just in case the Court rules that he exceeded his authority under IEEPA. Two courts have already ruled against the tariffs. The plan is to fall back on a patchwork of other trade statutes to keep pressure on U.S. trading partners, both for leveraging trade agreements and maintaining the tariff revenue. The “Plan B” underscores the stakes of how much is at stake for Trump’s agenda as part of his “Americ...